[sneak]

There was pretty broad ad hoc standardization in dos/windowsland on the ini-file format, which was broadly formalized as toml years later.

[0xbadcafebee]

Those are really data formats, not configuration. Their only features seem to be expressing simple data in different types and structures. The only advantages toml even advertises are types and mapping to hash tables. Those are all things computers appreciate, but humans need more nuance and functionality.